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Seattle weather: Temperature rollercoaster ride this week

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Published  April 28, 2025 10:08am PDT
Weather Forecast
FOX 13 Seattle
Seattle weather: Cloudy start Monday, afternoon showers return

Seattle weather: Cloudy start Monday, afternoon showers return

Temperatures will be a few degrees below the seasonal average again Monday with mostly cloudy skies and evening showers returning.

The Brief

    • There will be a temperature turnaround mid-week as warm weather rolls into the region.
    • Showers will help pollen count in the area. However, that also changes mid-week.
    • After the high pressure system moves through, more rain will follow.

SEATTLE - This week will be a rollercoaster ride, starting cool with showers, with much warmer temperatures across Washington by midweek.

Monday is starting off mostly cloudy and dry. A weak system will push through western Washington from the northwest, bringing light showers to the area.

Early week rain moves across Puget Sound

Showers should start in the northern Puget Sound area, along the coast and in the Olympic Peninsula by midday.

Light rain will hit the central and south Puget Sound areas by the evening commute. Showers will continue into the overnight hours. Monday will be the coolest day of the week, with highs in the upper 50s.

A map showing the high temperatures forecast for Monday in Western Washington.

It will be cool, cloudy, and showery by the late afternoon Monday in the greater Seattle area. (FOX 13 Seattle)

Pollen levels in western Washington

Pollen counts will drop in the next few days as showers help dampen down the pollen floating in the air, however we do expect higher levels later in the week. The grass pollens are starting to make their appearance for the first time this season. Grass pollens usually peak late May through early July.

A graph showing the pollen count forecast in the Seattle area.

Grass and tree pollen counts will drop Tuesday and Wednesday due to some rain in the forecast. (FOX 13 Seattle)

What's next:

Tuesday will bring isolated showers, and a mix of clouds and sunshine.

A ridge of high pressure will build over the Pacific Northwest again Wednesday and Thursday. As the ridge shifts east on Thursday, temperatures will soar into the mid to upper 70s.

A map showing the upper level weather pattern over the Pacific Northwest.

High pressure will move over the Pacific Northwest Wednesday and Thursday. (FOX 13 Seattle)

The warm weather will be short-lived, as the ridge continues to push east, away from the Northwest. That will open the door for our next frontal system to bring showers to the area from Friday into Saturday.

The 7 day forecast for the greater Seattle area.

It will be warming the next few days, with Thursday's temps in the 70s! (FOX 13 Seattle)

The Source: Information for this article comes from the FOX 13 Seattle weather team.

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